Web Results

Yawn - Wikipedia

en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the ... This "contagious" yawning has also been observed in chimpanzees, dogs, and can occur acros...

Why Is Yawning So Contagious? | Psychology Today

www.psychologytoday.com/blog/the-athletes-way/201403/why-is-yawning-so-contagious

Mar 16, 2014 ... About half of adults yawn after someone else yawns due to a universal phenomenon called “contagious yawning.” Researchers at Duke ...

Why Do We Yawn and Why Is It Contagious? | Science | Smithsonian

www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674/

Jun 28, 2013 ... Mimicry is likely at the heart of why yawning is contagious. This is because yawning may be a product of a quality inherent in social animals: ...

Is yawning contagious? If so, why? What's the evidence? - Quora

www.quora.com/Is-yawning-contagious-If-so-why-Whats-the-evidence

Update (Jan 2016): I wrote this answer several years ago. Though it currently has accumulated the most votes, there are now much better answers others have ...

Why Is Yawning So Contagious? - MeMD

www.memd.me/yawning-contagious/

Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have several theories about the science behind this contagious ...

Why Do We Yawn - and Why Is Yawning So Contagious? - Healthy ...

www.everydayhealth.com/healthy-living/why-do-we-yawn-and-why-is-yawning-contagious.aspx

Dec 15, 2011 ... Ever wonder why we yawn or why yawning is contagious? We take a look at the most popular answers to this frequently asked question.

Is that person a psychopath? A yawn might help you tell - TODAY.com

www.today.com/health/person-psychopath-yawn-might-help-you-tell-t40276

Jul 8, 2016 ... People high in psychopathic personality traits often don't "catch" the contagious yawn, a new study finds.

Facts About Yawning: Why We Do It, Why It's Contagious And More ...

www.huffingtonpost.com/2013/06/10/facts-yawning-why-we-yawn-contagious_n_3398301.html

Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel . But unlike sleep apnea or laptops in the bedroom, yawning is ...

Dear Science: Is yawning really contagious? - The Washington Post

www.washingtonpost.com/news/speaking-of-science/wp/2016/10/03/dear-science-is-yawning-really-contagious/

Oct 3, 2016 ... Yawning seems to be pretty much ubiquitous in the animal kingdom, and for some animals — many humans included — it really is contagious.

Is yawning contagious? » Scienceline

scienceline.org/2007/09/ask-anderson-yawn/

Sep 24, 2007 ... Contagious yawning is not a strictly human habit, though. Research shows that a couple animals related to our species, like chimps, do it too.

Answer
Yawning is thought to cool the brain and make it more alert. Simultaneous yawning may occur when a group of people are all breathing the same warm, stale air. Or contagious yawning may have evolved to help groups remain vigilant against danger.
More Info

Why Are Yawns Contagious? | Mental Floss

mentalfloss.com

Jun 11, 2015 ... What is yawning? And why do we do so much of it? Neuroscientist and yawn expert Robert Provine says it's “ancient and autonomic.” It stems ...

Does contagious yawning mean you're nice? | HowStuffWorks

science.howstuffworks.com

Contagious yawning is associated with the same parts of the brain that deal with empathy, according to a recent study. Learn about contagious yawning.

BBC NEWS | UK | Magazine | Why is yawning contagious?

news.bbc.co.uk

Jul 5, 2007 ... Rather than being a precursor to sleep, yawning is designed to keep us awake, say US researchers. But why does seeing someone else yawn ...